Join us on Friday, October 21^st for a field trip to the Chabot Dam Seismic Upgrade Project in Oakland, California. Undertaken by the East Bay Municipal Utility District (EBMUD), this seismic improvement project consists of cement deep soil mixing, installation of a 35-foot-deep seepage collection system, and upgrades to the existing outlet structure at the dam. Join us for a half-day field trip starting at 9am on Friday, October 21^st.  Cost is $45 for members, $20 for students. Capacity is just 10 people, so sign up here post-haste!